Area Code +41-78-(2120000...2129999) located in Mobile Telephony GSM, more detail is as below. Place International Dialing Code : 41 International Prefix : 00 National Prefix : 0 National Destination Code : 78 Subscriber Number From : 2120000 Subscriber Number To : 2129999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : Orange Communications SA Click here to buy Switzerland Area Code Database Other Information Language Code : fr (French) Country Number : 756 (Switzerland) Country Code : CH (Switzerland) City : Mobile Telephony GSM Timezone : Europe/Zurich Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 47.3700 Longitude : 8.5400 ‹ previous : +41-78-(2110000...2119999) next › : +41-78-(2130000...2139999) Dialling Instructions For trunk calls: 0 78 2120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 41 78 2120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2120000 ~ 2129999 (Count: 10,000) Example: +41-78-2120000 / 0041-78-2120000 (078-2120000 / 0-78-2120000) +41-78-2120001 / 0041-78-2120001 (078-2120001 / 0-78-2120001) +41-78-2120002 / 0041-78-2120002 (078-2120002 / 0-78-2120002) +41-78-2120003 / 0041-78-2120003 (078-2120003 / 0-78-2120003) +41-78-2120004 / 0041-78-2120004 (078-2120004 / 0-78-2120004) ...+41-78-xxxxxxx / 0041-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+41-78-2129995 / 0041-78-2129995 (078-2129995 / 0-78-2129995) +41-78-2129996 / 0041-78-2129996 (078-2129996 / 0-78-2129996) +41-78-2129997 / 0041-78-2129997 (078-2129997 / 0-78-2129997) +41-78-2129998 / 0041-78-2129998 (078-2129998 / 0-78-2129998) +41-78-2129999 / 0041-78-2129999 (078-2129999 / 0-78-2129999)